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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 989 | delete_site_option( $transient_option ); |
| 990 | delete_site_option( $transient_timeout ); |
| 991 | return false; |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | $value = get_site_option( $transient_option ); |
| 996 | } |
| 997 | |
| 998 | return apply_filters( 'site_transient_' . $transient, $value ); |
| 999 | } |
| 1000 | |
| 1001 | /** |
| 1002 | * Set/update the value of a site transient. |
| 1003 | * |
| 1004 | * You do not need to serialize values, if the value needs to be serialize, then |
| 1005 | * it will be serialized before it is set. |
| 1006 | * |
| 1007 | * @see set_transient() |